Performance analyses of active aerodynamic load balancing designs on high-performance vehicles in cornering conditions

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dc.contributor.authorRijns, Steven
dc.contributor.authorTeschner, Tom-Robin
dc.contributor.authorBlackburn, Kim
dc.contributor.authorBrighton, James
dc.date.accessioned2024-09-04T13:27:17Z
dc.date.available2024-09-04T13:27:17Z
dc.date.freetoread2024-09-04
dc.date.issued2024-08-29
dc.date.pubOnline2024-08-29
dc.description.abstractThis study presents a comprehensive investigation into the impact of active aerodynamic load balancing (AALB) on the cornering performance of high-performance vehicles. The research explores the use of active asymmetric aerodynamic devices, specifically split and tilted rear wing concepts, capable of manipulating vertical wheel loads and counteracting effects of lateral load transfer during cornering. The performance potential of AALB is assessed through quasi-steady static coupling of aerodynamic data with a detailed vehicle dynamics model. The findings show that inside bias operating states of the split rear wing and tilted rear wing concepts, which favor loads on the inside tires, can improve cornering velocities up to 0.5% and 2% compared to high symmetric operating states, respectively. Noteworthy, through effective distribution of aerodynamic loads, the inside bias operating states produce less downforce and drag, thereby reducing the propulsion power required to overcome drag by 15%–20%, depending on the cornering condition. The tilted rear wing concept demonstrates the highest AALB capability and most consistent response to its control strategy, accredited to its ability to generate vertical and horizontal aerodynamic force components. It can, therefore, achieve over 1% higher maximum cornering velocities compared to the split rear wing, while also offering efficiency benefits. Overall, the research highlights the effectiveness of AALB in improving cornering performance and efficiency, offering valuable insights for the development of advanced active aerodynamic solutions in automotive design and paving the way for future advancements in the field.
dc.description.journalNamePhysics of Fluids
dc.identifier.citationRijns S, Teschner T-R, Blackburn K, Brighton J. (2024) Performance analyses of active aerodynamic load balancing designs on high-performance vehicles in cornering conditions. Physics of Fluids, Volume 36, Issue 8, August 2024, Article number 085199
dc.identifier.eissn1089-7666
dc.identifier.elementsID552546
dc.identifier.issn1070-6631
dc.identifier.issueNo8
dc.identifier.urihttps://doi.org/10.1063/5.0222780
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/22880
dc.identifier.volumeNo36
dc.languageEnglish
dc.publisherAIP Publishing
dc.rightsAttribution 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectFluids & Plasmas
dc.subject40 Engineering
dc.subject49 Mathematical sciences
dc.subject51 Physical sciences
dc.titlePerformance analyses of active aerodynamic load balancing designs on high-performance vehicles in cornering conditions
dc.typeArticle
dcterms.dateAccepted2024-08-08

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